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Direct&Inverse Variation

Authored by Siti FarahAiniIbrahim

Mathematics

10th - 11th Grade

CCSS covered

Used 7+ times

Direct&Inverse Variation
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30 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following represents direct variation?

y = kx
y = k/x
y = x/k
y = mx + b

Tags

CCSS.HSF.BF.A.1

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 Y varies directly with x, and y is 84 when x is 16. Which equation represents this situation?

y=1344x
y=100x
y=5.25x
y=4/21x

Tags

CCSS.7.RP.A.2B

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

If y = 15 when x = 12 find y when x = 32.

40
-40
5
-5

Tags

CCSS.6.EE.C.9

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The width of a rectangle varies inversely with its length.  If the width is 6 when the length is 24, give an equation that shows the relationship.

y = 4x
y = 144x
y = 4/x
y = 144/x

Tags

CCSS.HSA.CED.A.2

CCSS.HSF.BF.A.1

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The Height of a wave in California varies directly with the seconds that pass by.  At 4 seconds, the wave is 6 feet high.  How many seconds will give you a wave that is 10 feet high? 

y = 2/3x
6
6.6
7

Tags

CCSS.HSF.BF.A.1

CCSS.HSA.CED.A.1

CCSS.HSA.SSE.A.1

CCSS.HSA.REI.B.3

CCSS.HSF.LE.A.2

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Y is directly proportional to the square of z and inversely proportional to w.

y=kz2/w
y=kz/w
y=w/kz2
y=w/kz

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.SSE.A.1

CCSS.HSA.CED.A.4

CCSS.HSA.SSE.B.3

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The number of kilograms of water in a person’s body varies directly as the person’s mass.  A person with a mass of 90 kg contains 60 kg of water.  How many kilograms of water are in a person whose mass is 75 kg?

50 kg water
72 kg water
94 kg water
150 kg water

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.SSE.A.1

CCSS.HSA.REI.B.3

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